-
The difference between thin-walled spiral steel tubes and thick-walled spiral steel tubes
Thin-walled spiral steel pipe concept: The strip steel is fed into the welded pipe unit. After rolling with multiple rollers, the strip steel is gradually rolled up to form a circular tube blank with an opening gap. The reduction amount of the extrusion roller is adjusted to make the weld gap Con...Read more -
Plastic-coated straight seam steel pipe details
Plastic-coated straight seam steel pipe is a high-performance, high-strength steel pipe product that is widely used in various construction, water conservancy, petroleum, chemical industry, electric power, and other fields. It has the advantages of anti-corrosion, waterproof, wear resistance, cor...Read more -
Horizontal fixed argon electric joint welding process for stainless steel pipe butt joints
1. Overview of the horizontal fixed argon electric joint welding process for stainless steel pipe butt joints. Stainless steel pipe butt joints have the characteristics of horizontally fixed tungsten arc welding base, electrode arc welding cover surface, and single-sided welding and double-sided ...Read more -
The difference between hot-dip galvanized steel pipe and cold-dip galvanized steel pipe
Galvanized steel pipes are divided into cold-dip galvanized steel pipes and hot-dip galvanized steel pipes. The former has been banned, and the latter has been advocated by the country to be temporarily used. Hot-dip galvanized steel pipe. Hot-dip galvanizing pipe reacts molten metal with an iron...Read more -
The difference between cold-drawn seamless steel pipe and hot-rolled seamless steel pipe
Cold drawn (rolled) seamless steel pipe: round tube blank → heating → perforation → heading → annealing → pickling → oiling (copper plating) multi-pass cold drawn (cold rolled) billet → heat treatment → straightening → Hydrostatic test (flaw detection) mark → Warehouse. Hot rolled (extruded seaml...Read more -
What is the difference between hot-dip galvanized steel pipe and hot-dip galvanized steel pipe SC
1. Different representations: Hot-dip galvanized steel pipes generally refer to the standard nominal diameter of water pipes. The written symbol is DN. Hot-dip galvanized steel pipe SC means that the conductors are laid through steel pipes (low-pressure fluid welded steel pipes). SC is ordinary w...Read more -
Large-diameter steel pipe forming methods and flaw detection qualification standard parameters
Large diameter steel pipe forming method: 1. Hot push expansion method: The push expansion equipment is simple, low-cost, easy to maintain, economical, and durable, and the product specifications are flexible. If you need to prepare large-diameter steel pipes and other similar products, you only ...Read more -
What environments are large-diameter steel pipes suitable for
1. Petrochemical: crude oil, refined oil, petrochemical raw materials, and finished product transportation pipes and oil field pipeline networks. 2. Natural gas: submarine and onshore long-distance pipelines; gas receiving station gas transmission pipelines; gas fields and urban natural gas pipel...Read more -
Classification and uses of stainless steel tees
Common pipeline-connecting tools include elbows, flanges, tees, etc. They play the role of connectors in pipelines. Tee is a common connecting element in the pipeline system. There are two production methods: hydraulic bulging and hot pressing. According to the requirements of the use occasion, t...Read more -
Spiral steel pipe connection methods
Generally speaking, the connection method of spiral steel pipes is welding, because welded pipes are relatively low-cost. Some projects will also use other connection methods due to the construction period, construction conditions, geographical environment, and other factors, such as screws. Wen ...Read more -
How does qualified steel pipe behave in terms of straightness, roundness, and welding
1. Straightness: The docking of the straight pipe section of the coiled pipe is a very important part, which requires the accuracy of the coiled pipe cutting, the consistency of the diameter, and the automatic horizontal adjustment of the roller by tools. This can be a good way to find a balance ...Read more -
How to judge the quality of spiral steel pipe
1. From the surface of the spiral steel pipe, you can see whether the production process of the spiral steel pipe is exquisite. Generally, it is necessary to research and analyze spiral steel. The cross-section of fake and inferior spiral steel pipes is oval. The reason is that the manufacturer s...Read more
China's most trusted manufacturers of Stainless Steel Pipes & Tubes.
- Email Support info@hunantube.com
- Call Support +86-0731-88672086